apps/pkcs8.c

   1 /* pkcs8.c */
   2 /* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
   3  * project 1999-2004.
   4  */
   5 /* ====================================================================
   6  * Copyright (c) 1999 The OpenSSL Project.  All rights reserved.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted provided that the following conditions
  10  * are met:
  11  *
  12  * 1. Redistributions of source code must retain the above copyright
  13  *    notice, this list of conditions and the following disclaimer.
  14  *
  15  * 2. Redistributions in binary form must reproduce the above copyright
  16  *    notice, this list of conditions and the following disclaimer in
  17  *    the documentation and/or other materials provided with the
  18  *    distribution.
  19  *
  20  * 3. All advertising materials mentioning features or use of this
  21  *    software must display the following acknowledgment:
  22  *    "This product includes software developed by the OpenSSL Project
  23  *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
  24  *
  25  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
  26  *    endorse or promote products derived from this software without
  27  *    prior written permission. For written permission, please contact
  28  *    licensing@OpenSSL.org.
  29  *
  30  * 5. Products derived from this software may not be called "OpenSSL"
  31  *    nor may "OpenSSL" appear in their names without prior written
  32  *    permission of the OpenSSL Project.
  33  *
  34  * 6. Redistributions of any form whatsoever must retain the following
  35  *    acknowledgment:
  36  *    "This product includes software developed by the OpenSSL Project
  37  *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
  38  *
  39  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
  40  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  41  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  42  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
  43  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  44  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  45  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  46  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  47  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  48  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  49  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
  50  * OF THE POSSIBILITY OF SUCH DAMAGE.
  51  * ====================================================================
  52  *
  53  * This product includes cryptographic software written by Eric Young
  54  * (eay@cryptsoft.com).  This product includes software written by Tim
  55  * Hudson (tjh@cryptsoft.com).
  56  *
  57  */
  58 #include <stdio.h>
  59 #include <string.h>
  60 #include "apps.h"
  61 #include <openssl/pem.h>
  62 #include <openssl/err.h>
  63 #include <openssl/evp.h>
  64 #include <openssl/pkcs12.h>
  65
  66 #define PROG pkcs8_main
  67
  68 int MAIN(int, char **);
  69
  70 int MAIN(int argc, char **argv)
  71         {
  72         ENGINE *e = NULL;
  73         char **args, *infile = NULL, *outfile = NULL;
  74         char *passargin = NULL, *passargout = NULL;
  75         BIO *in = NULL, *out = NULL;
  76         int topk8 = 0;
  77         int pbe_nid = -1;
  78         const EVP_CIPHER *cipher = NULL;
  79         int iter = PKCS12_DEFAULT_ITER;
  80         int informat, outformat;
  81         int p8_broken = PKCS8_OK;
  82         int nocrypt = 0;
  83         X509_SIG *p8 = NULL;
  84         PKCS8_PRIV_KEY_INFO *p8inf = NULL;
  85         EVP_PKEY *pkey=NULL;
  86         char pass[50], *passin = NULL, *passout = NULL, *p8pass = NULL;
  87         int badarg = 0;
  88         int ret = 1;
  89 #ifndef OPENSSL_NO_ENGINE
  90         char *engine=NULL;
  91 #endif
  92
  93         if (bio_err == NULL) bio_err = BIO_new_fp (stderr, BIO_NOCLOSE);
  94
  95         if (!load_config(bio_err, NULL))
  96                 goto end;
  97
  98         informat=FORMAT_PEM;
  99         outformat=FORMAT_PEM;
 100
 101         ERR_load_crypto_strings();
 102         OpenSSL_add_all_algorithms();
 103         args = argv + 1;
 104         while (!badarg && *args && *args[0] == '-')
 105                 {
 106                 if (!strcmp(*args,"-v2"))
 107                         {
 108                         if (args[1])
 109                                 {
 110                                 args++;
 111                                 cipher=EVP_get_cipherbyname(*args);
 112                                 if (!cipher)
 113                                         {
 114                                         BIO_printf(bio_err,
 115                                                  "Unknown cipher %s\n", *args);
 116                                         badarg = 1;
 117                                         }
 118                                 }
 119                         else
 120                                 badarg = 1;
 121                         }
 122                 else if (!strcmp(*args,"-v1"))
 123                         {
 124                         if (args[1])
 125                                 {
 126                                 args++;
 127                                 pbe_nid=OBJ_txt2nid(*args);
 128                                 if (pbe_nid == NID_undef)
 129                                         {
 130                                         BIO_printf(bio_err,
 131                                                  "Unknown PBE algorithm %s\n", *args);
 132                                         badarg = 1;
 133                                         }
 134                                 }
 135                         else
 136                                 badarg = 1;
 137                         }
 138                 else if (!strcmp(*args,"-v2prf"))
 139                         {
 140                         if (args[1])
 141                                 {
 142                                 args++;
 143                                 pbe_nid=OBJ_txt2nid(*args);
 144                                 if (!EVP_PBE_find(EVP_PBE_TYPE_PRF, pbe_nid, NULL, NULL, 0))
 145                                         {
 146                                         BIO_printf(bio_err,
 147                                                  "Unknown PRF algorithm %s\n", *args);
 148                                         badarg = 1;
 149                                         }
 150                                 }
 151                         else
 152                                 badarg = 1;
 153                         }
 154                 else if (!strcmp(*args,"-inform"))
 155                         {
 156                         if (args[1])
 157                                 {
 158                                 args++;
 159                                 informat=str2fmt(*args);
 160                                 }
 161                         else badarg = 1;
 162                         }
 163                 else if (!strcmp(*args,"-outform"))
 164                         {
 165                         if (args[1])
 166                                 {
 167                                 args++;
 168                                 outformat=str2fmt(*args);
 169                                 }
 170                         else badarg = 1;
 171                         }
 172                 else if (!strcmp (*args, "-topk8"))
 173                         topk8 = 1;
 174                 else if (!strcmp (*args, "-noiter"))
 175                         iter = 1;
 176                 else if (!strcmp (*args, "-nocrypt"))
 177                         nocrypt = 1;
 178                 else if (!strcmp (*args, "-nooct"))
 179                         p8_broken = PKCS8_NO_OCTET;
 180                 else if (!strcmp (*args, "-nsdb"))
 181                         p8_broken = PKCS8_NS_DB;
 182                 else if (!strcmp (*args, "-embed"))
 183                         p8_broken = PKCS8_EMBEDDED_PARAM;
 184                 else if (!strcmp(*args,"-passin"))
 185                         {
 186                         if (!args[1]) goto bad;
 187                         passargin= *(++args);
 188                         }
 189                 else if (!strcmp(*args,"-passout"))
 190                         {
 191                         if (!args[1]) goto bad;
 192                         passargout= *(++args);
 193                         }
 194 #ifndef OPENSSL_NO_ENGINE
 195                 else if (strcmp(*args,"-engine") == 0)
 196                         {
 197                         if (!args[1]) goto bad;
 198                         engine= *(++args);
 199                         }
 200 #endif
 201                 else if (!strcmp (*args, "-in"))
 202                         {
 203                         if (args[1])
 204                                 {
 205                                 args++;
 206                                 infile = *args;
 207                                 }
 208                         else badarg = 1;
 209                         }
 210                 else if (!strcmp (*args, "-out"))
 211                         {
 212                         if (args[1])
 213                                 {
 214                                 args++;
 215                                 outfile = *args;
 216                                 }
 217                         else badarg = 1;
 218                         }
 219                 else badarg = 1;
 220                 args++;
 221                 }
 222
 223         if (badarg)
 224                 {
 225                 bad:
 226                 BIO_printf(bio_err, "Usage pkcs8 [options]\n");
 227                 BIO_printf(bio_err, "where options are\n");
 228                 BIO_printf(bio_err, "-in file        input file\n");
 229                 BIO_printf(bio_err, "-inform X       input format (DER or PEM)\n");
 230                 BIO_printf(bio_err, "-passin arg     input file pass phrase source\n");
 231                 BIO_printf(bio_err, "-outform X      output format (DER or PEM)\n");
 232                 BIO_printf(bio_err, "-out file       output file\n");
 233                 BIO_printf(bio_err, "-passout arg    output file pass phrase source\n");
 234                 BIO_printf(bio_err, "-topk8          output PKCS8 file\n");
 235                 BIO_printf(bio_err, "-nooct          use (nonstandard) no octet format\n");
 236                 BIO_printf(bio_err, "-embed          use (nonstandard) embedded DSA parameters format\n");
 237                 BIO_printf(bio_err, "-nsdb           use (nonstandard) DSA Netscape DB format\n");
 238                 BIO_printf(bio_err, "-noiter         use 1 as iteration count\n");
 239                 BIO_printf(bio_err, "-nocrypt        use or expect unencrypted private key\n");
 240                 BIO_printf(bio_err, "-v2 alg         use PKCS#5 v2.0 and cipher \"alg\"\n");
 241                 BIO_printf(bio_err, "-v1 obj         use PKCS#5 v1.5 and cipher \"alg\"\n");
 242 #ifndef OPENSSL_NO_ENGINE
 243                 BIO_printf(bio_err," -engine e       use engine e, possibly a hardware device.\n");
 244 #endif
 245                 goto end;
 246                 }
 247
 248 #ifndef OPENSSL_NO_ENGINE
 249         e = setup_engine(bio_err, engine, 0);
 250 #endif
 251
 252         if (!app_passwd(bio_err, passargin, passargout, &passin, &passout))
 253                 {
 254                 BIO_printf(bio_err, "Error getting passwords\n");
 255                 goto end;
 256                 }
 257
 258         if ((pbe_nid == -1) && !cipher)
 259                 pbe_nid = NID_pbeWithMD5AndDES_CBC;
 260
 261         if (infile)
 262                 {
 263                 if (!(in = BIO_new_file(infile, "rb")))
 264                         {
 265                         BIO_printf(bio_err,
 266                                  "Can't open input file %s\n", infile);
 267                         goto end;
 268                         }
 269                 }
 270         else
 271                 in = BIO_new_fp (stdin, BIO_NOCLOSE);
 272
 273         if (outfile)
 274                 {
 275                 if (!(out = BIO_new_file (outfile, "wb")))
 276                         {
 277                         BIO_printf(bio_err,
 278                                  "Can't open output file %s\n", outfile);
 279                         goto end;
 280                         }
 281                 }
 282         else
 283                 {
 284                 out = BIO_new_fp (stdout, BIO_NOCLOSE);
 285 #ifdef OPENSSL_SYS_VMS
 286                         {
 287                         BIO *tmpbio = BIO_new(BIO_f_linebuffer());
 288                         out = BIO_push(tmpbio, out);
 289                         }
 290 #endif
 291                 }
 292         if (topk8)
 293                 {
 294                 pkey = load_key(bio_err, infile, informat, 1,
 295                         passin, e, "key");
 296                 if (!pkey)
 297                         goto end;
 298                 if (!(p8inf = EVP_PKEY2PKCS8_broken(pkey, p8_broken)))
 299                         {
 300                         BIO_printf(bio_err, "Error converting key\n");
 301                         ERR_print_errors(bio_err);
 302                         goto end;
 303                         }
 304                 if (nocrypt)
 305                         {
 306                         if (outformat == FORMAT_PEM)
 307                                 PEM_write_bio_PKCS8_PRIV_KEY_INFO(out, p8inf);
 308                         else if (outformat == FORMAT_ASN1)
 309                                 i2d_PKCS8_PRIV_KEY_INFO_bio(out, p8inf);
 310                         else
 311                                 {
 312                                 BIO_printf(bio_err, "Bad format specified for key\n");
 313                                 goto end;
 314                                 }
 315                         }
 316                 else
 317                         {
 318                         if (passout)
 319                                 p8pass = passout;
 320                         else
 321                                 {
 322                                 p8pass = pass;
 323                                 if (EVP_read_pw_string(pass, sizeof pass, "Enter Encryption Password:", 1))
 324                                         goto end;
 325                                 }
 326                         app_RAND_load_file(NULL, bio_err, 0);
 327                         if (!(p8 = PKCS8_encrypt(pbe_nid, cipher,
 328                                         p8pass, strlen(p8pass),
 329                                         NULL, 0, iter, p8inf)))
 330                                 {
 331                                 BIO_printf(bio_err, "Error encrypting key\n");
 332                                 ERR_print_errors(bio_err);
 333                                 goto end;
 334                                 }
 335                         app_RAND_write_file(NULL, bio_err);
 336                         if (outformat == FORMAT_PEM)
 337                                 PEM_write_bio_PKCS8(out, p8);
 338                         else if (outformat == FORMAT_ASN1)
 339                                 i2d_PKCS8_bio(out, p8);
 340                         else
 341                                 {
 342                                 BIO_printf(bio_err, "Bad format specified for key\n");
 343                                 goto end;
 344                                 }
 345                         }
 346
 347                 ret = 0;
 348                 goto end;
 349                 }
 350
 351         if (nocrypt)
 352                 {
 353                 if (informat == FORMAT_PEM)
 354                         p8inf = PEM_read_bio_PKCS8_PRIV_KEY_INFO(in,NULL,NULL, NULL);
 355                 else if (informat == FORMAT_ASN1)
 356                         p8inf = d2i_PKCS8_PRIV_KEY_INFO_bio(in, NULL);
 357                 else
 358                         {
 359                         BIO_printf(bio_err, "Bad format specified for key\n");
 360                         goto end;
 361                         }
 362                 }
 363         else
 364                 {
 365                 if (informat == FORMAT_PEM)
 366                         p8 = PEM_read_bio_PKCS8(in, NULL, NULL, NULL);
 367                 else if (informat == FORMAT_ASN1)
 368                         p8 = d2i_PKCS8_bio(in, NULL);
 369                 else
 370                         {
 371                         BIO_printf(bio_err, "Bad format specified for key\n");
 372                         goto end;
 373                         }
 374
 375                 if (!p8)
 376                         {
 377                         BIO_printf (bio_err, "Error reading key\n");
 378                         ERR_print_errors(bio_err);
 379                         goto end;
 380                         }
 381                 if (passin)
 382                         p8pass = passin;
 383                 else
 384                         {
 385                         p8pass = pass;
 386                         EVP_read_pw_string(pass, sizeof pass, "Enter Password:", 0);
 387                         }
 388                 p8inf = PKCS8_decrypt(p8, p8pass, strlen(p8pass));
 389                 }
 390
 391         if (!p8inf)
 392                 {
 393                 BIO_printf(bio_err, "Error decrypting key\n");
 394                 ERR_print_errors(bio_err);
 395                 goto end;
 396                 }
 397
 398         if (!(pkey = EVP_PKCS82PKEY(p8inf)))
 399                 {
 400                 BIO_printf(bio_err, "Error converting key\n");
 401                 ERR_print_errors(bio_err);
 402                 goto end;
 403                 }
 404
 405         if (p8inf->broken)
 406                 {
 407                 BIO_printf(bio_err, "Warning: broken key encoding: ");
 408                 switch (p8inf->broken)
 409                         {
 410                         case PKCS8_NO_OCTET:
 411                         BIO_printf(bio_err, "No Octet String in PrivateKey\n");
 412                         break;
 413
 414                         case PKCS8_EMBEDDED_PARAM:
 415                         BIO_printf(bio_err, "DSA parameters included in PrivateKey\n");
 416                         break;
 417
 418                         case PKCS8_NS_DB:
 419                         BIO_printf(bio_err, "DSA public key include in PrivateKey\n");
 420                         break;
 421
 422                         case PKCS8_NEG_PRIVKEY:
 423                         BIO_printf(bio_err, "DSA private key value is negative\n");
 424                         break;
 425
 426                         default:
 427                         BIO_printf(bio_err, "Unknown broken type\n");
 428                         break;
 429                 }
 430         }
 431
 432         if (outformat == FORMAT_PEM)
 433                 PEM_write_bio_PrivateKey(out, pkey, NULL, NULL, 0, NULL, passout);
 434         else if (outformat == FORMAT_ASN1)
 435                 i2d_PrivateKey_bio(out, pkey);
 436         else
 437                 {
 438                 BIO_printf(bio_err, "Bad format specified for key\n");
 439                         goto end;
 440                 }
 441         ret = 0;
 442
 443         end:
 444         X509_SIG_free(p8);
 445         PKCS8_PRIV_KEY_INFO_free(p8inf);
 446         EVP_PKEY_free(pkey);
 447         BIO_free_all(out);
 448         BIO_free(in);
 449         if (passin)
 450                 OPENSSL_free(passin);
 451         if (passout)
 452                 OPENSSL_free(passout);
 453
 454         return ret;
 455         }